25918740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{463}}^1$

素因数の和:789

約数の個数: 72

約数和(自身を含む): 79043328

約数和(自身を除く): 53124588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 463, 622, 926, 933, 1244, 1389, 1555, 1852, 1866, 2315, 2778, 2799, 3110, 3732, 4167, 4630, 4665, 5556, 5598, 6220, 6945, 8334, 9260, 9330, 11196, 13890, 13995, 16668, 18660, 20835, 27780, 27990, 41670, 55980, 83340, 143993, 287986, 431979, 575972, 719965, 863958, 1295937, 1439930, 1727916, 2159895, 2591874, 2879860, 4319790, 5183748, 6479685, 8639580, 12959370, 25918740]

約数ペア:

[(1, 25918740), (2, 12959370), (3, 8639580), (4, 6479685), (5, 5183748), (6, 4319790), (9, 2879860), (10, 2591874), (12, 2159895), (15, 1727916), (18, 1439930), (20, 1295937), (30, 863958), (36, 719965), (45, 575972), (60, 431979), (90, 287986), (180, 143993), (311, 83340), (463, 55980), (622, 41670), (926, 27990), (933, 27780), (1244, 20835), (1389, 18660), (1555, 16668), (1852, 13995), (1866, 13890), (2315, 11196), (2778, 9330), (2799, 9260), (3110, 8334), (3732, 6945), (4167, 6220), (4630, 5598), (4665, 5556)]